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2 HS + 2 Cu = 2 CuS + H2
K2S + Br2 = S + BrK =>
K2S + Br2 = S + 2 BrK
NH3(g) + O2(g) = N2O(g) + H2O(g) =>
2 NH3(g) + 2 O2(g) = N2O(g) + 3 H2O(g)
C17H29COOH + Br2 = C17H29COOBr + HBr =>
C17H29COOH + Br2 = C17H29COOBr + HBr
Li2O + PbO = Li2PbO2 =>
Li2O + PbO = Li2PbO2
KSCN + Fe = FeKSCN =>
KSCN + Fe = FeKSCN
ClO2 + Na2CO3*15H2O = NaClO2 + NaClO3 + H2O + CO2 =>
2 ClO2 + Na2CO3*15H2O = NaClO2 + NaClO3 + 15 H2O + CO2
Li2(HSO3) + HClO4 = Li(ClO4) + H2(HSO3) =>
Li2(HSO3) + 2 HClO4 = 2 Li(ClO4) + H2(HSO3)
MnO4{-} + NO2{-} + OH{-} = MnO4{-2} + NO3{-} + H2O =>
2 MnO4{-} + NO2{-} + 2 OH{-} = 2 MnO4{-2} + NO3{-} + H2O
Li3P5 = Li + P =>
Li3P5 = 3 Li + 5 P
Ca(OH)2 + Cl2 = Ca(OCl)Cl + H2O =>
Ca(OH)2 + Cl2 = Ca(OCl)Cl + H2O
NaOH + MgCO3 = NaHCO3 + MgO =>
NaOH + MgCO3 = NaHCO3 + MgO
(NH4)2PbCl6 + O2 = PbCl2 + Cl2 + NH3 + H2O =>
2(NH4)2PbCl6 + O2 = 2 PbCl2 + 4 Cl2 + 4 NH3 + 2 H2O
MgCl2 + HCl = HCl2 + MgCl =>
MgCl2 + HCl = HCl2 + MgCl
H2C6H5O + H2O = H3O + C6H5O =>
H2C6H5O + 2 H2O = 2 H3O + C6H5O
Sr + H2O = SrH2 + O =>
Sr + H2O = SrH2 + O
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
NaHSO4 + Na2CO3 = Na2SO4 + CO2 + H2O =>
2 NaHSO4 + Na2CO3 = 2 Na2SO4 + CO2 + H2O
C4H6 + Cl = C4H4Cl + H2 =>
C4H6 + Cl = C4H4Cl + H2
N + Pb2O3 = Pb2N + O2 =>
2 N + 2 Pb2O3 = 2 Pb2N + 3 O2
Al + Ni(NO)2 = Al(NO)3 + Ni =>
2 Al + 3 Ni(NO)2 = 2 Al(NO)3 + 3 Ni
Na2SO4(aq) + C(aq) = Na + CSO4 =>
Na2SO4(aq) + C(aq) = 2 Na + CSO4
HCl + Nh3 = Nh4Cl + H2 =>
6 HCl + 8 Nh3 = 6 Nh4Cl + 3 H2
Hg2{2+}(aq) + HCl = Hg2Cl2(s) + H{+} =>
Hg2{2+}(aq) + 2 HCl = Hg2Cl2(s) + 2 H{+}
KMnO4 + NaOH + Na2SO3 = Na2SO4 + Na2MnO4 + KOH + H2O =>
2 KMnO4 + 4 NaOH + Na2SO3 = Na2SO4 + 2 Na2MnO4 + 2 KOH + H2O
Ba + CO2 = BaO + C =>
2 Ba + CO2 = 2 BaO + C
As2S3 + NaOH + H2O2 = Na2SO4 + Na3AsO4 + H2O =>
As2S3 + 12 NaOH + 14 H2O2 = 3 Na2SO4 + 2 Na3AsO4 + 20 H2O
(Ca)3(P)2(O)8 + (H)3P(O)4 = Ca(H)4(P)2(O)8 =>
(Ca)3(P)2(O)8 + 4(H)3P(O)4 = 3 Ca(H)4(P)2(O)8
NH4ClKNO3 = KCl + NH4NO3 =>
NH4ClKNO3 = KCl + NH4NO3
O2 + Li2SO3 = Li2SO4 =>
O2 + 2 Li2SO3 = 2 Li2SO4
C3H5Cl + Br2 = C3H5Br2 + Cl =>
C3H5Cl + Br2 = C3H5Br2 + Cl
Cd + Cu{2+} = Cd{2+} + Cu =>
Cd + Cu{2+} = Cd{2+} + Cu
Zn + H3AsO3 + HCl = ZnCl2 + H2O + AsH3 =>
3 Zn + H3AsO3 + 6 HCl = 3 ZnCl2 + 3 H2O + AsH3
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
Al2(SO4)3(aq) + KOH(aq) = Al(OH)3(aq) + K2SO4(aq) =>
Al2(SO4)3(aq) + 6 KOH(aq) = 2 Al(OH)3(aq) + 3 K2SO4(aq)
Li + NH3 = Li2NH + H2 =>
2 Li + NH3 = Li2NH + H2
Mg(s) + CuNO3(aq) = Mg(NO3)2(aq) + Cu(s) =>
Mg(s) + 2 CuNO3(aq) = Mg(NO3)2(aq) + 2 Cu(s)
KMnO4 + H2O + Ba(NO2)2 = Ba(NO3)2 + KOH + MnO2 =>
4 KMnO4 + 2 H2O + 3 Ba(NO2)2 = 3 Ba(NO3)2 + 4 KOH + 4 MnO2
NaCo3 + Cl2 = NaCl + Co3 =>
2 NaCo3 + Cl2 = 2 NaCl + 2 Co3
Li2(HSO3) + HClO4 = Li(ClO4) + H2(HSO3) =>
Li2(HSO3) + 2 HClO4 = 2 Li(ClO4) + H2(HSO3)
H2O + Si + KOH = K2SiO3 + H2 =>
H2O + Si + 2 KOH = K2SiO3 + 2 H2
C5H10O + K2Cr2O7 + H2SO4 = C5H8O + K2SO4 + Cr3(SO4)2 + H2O =>
14 C5H10O + 3 K2Cr2O7 + 7 H2SO4 = 14 C5H8O + 3 K2SO4 + 2 Cr3(SO4)2 + 21 H2O
VOCl2 + NaOH = Na2V4O9 + NaCl + H2O =>
4 VOCl2 + 10 NaOH = Na2V4O9 + 8 NaCl + 5 H2O
MnO4{-} + NO2{-} + OH{-} = MnO4{-2} + NO3{-} + H2O =>
2 MnO4{-} + NO2{-} + 2 OH{-} = 2 MnO4{-2} + NO3{-} + H2O
Pb(s) + H2SO4(aq) = PbSO4 + H2 =>
Pb(s) + H2SO4(aq) = PbSO4 + H2
CO(g) + NO(g) = N2(g) + CO2(g) =>
2 CO(g) + 2 NO(g) = N2(g) + 2 CO2(g)
ZrO + H2O = H2ZrO2 =>
ZrO + H2O = H2ZrO2
HCe + HNO3 = NO + Ce2 + H2O =>
6 HCe + 2 HNO3 = 2 NO + 3 Ce2 + 4 H2O
KMnO4 + H2SO4 + HNO2 = MnSO4 + K2SO4 + HNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 HNO2 = 2 MnSO4 + K2SO4 + 5 HNO3 + 3 H2O
RbBr = Rb + Br2 =>
2 RbBr = 2 Rb + Br2
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